This is the most common former range. Made of flexible elastomer, it can be used up several times in normal operating conditions.
It can be fixed to the mould by different ways:
– It can be nailed to the wooden mould
– It can be screwed to the mould with the thread
holding bolt (refer to §3.2) and the nut cast into
– It can be screwed to the mould with the bayonet
holding bolt (refer to §3.2) and the special plate cast
into the former
– It can be maintained with a holding plate
(refer to §3.2).
The 2 holes will help open the former when released from the concrete.